initial import

core/contextx/deadline_test.go

@@ -0,0 +1,27 @@
+package contextx
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestShrinkDeadlineLess(t *testing.T) {
+	deadline := time.Now().Add(time.Second)
+	ctx, _ := context.WithDeadline(context.Background(), deadline)
+	ctx, _ = ShrinkDeadline(ctx, time.Minute)
+	dl, ok := ctx.Deadline()
+	assert.True(t, ok)
+	assert.Equal(t, deadline, dl)
+}
+
+func TestShrinkDeadlineMore(t *testing.T) {
+	deadline := time.Now().Add(time.Minute)
+	ctx, _ := context.WithDeadline(context.Background(), deadline)
+	ctx, _ = ShrinkDeadline(ctx, time.Second)
+	dl, ok := ctx.Deadline()
+	assert.True(t, ok)
+	assert.True(t, dl.Before(deadline))
+}